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##Signalã®ã«ã¿ãã° http://giisyu.github.io/elm-signalCatalog/ Signalã®æ§è³ªãã²ã¨ç®ã§åããããããããªãSignalã®ãã¢ãä½ã£ãã Signalã«ãã£ã¦ã¯ç»é¢ãã¯ãªãã¯ãããããã¼ãã¼ããæ¼ããããæ¼ãã£ã±ãªãã«ããå¿ è¦ãããã¾ãã ã½ã¼ã¹ã³ã¼ã Signalãã©ããªæåãããã®ããé¢æ°ãéãã¨Signalã®åãã©ããªãã®ããã©ã®Signalãåªå ãããã®ãã¨ããã«ã¿ãã°ã§ç¢ºèªãã¦ã¿ã¦ãã ããã ##表示ã®è¦æ¹ é¢æ°ã®å Signal a ã«ãªãã³ã¼ã ã¿ã¤ã ã©ã¤ã³ãå³ããå·¦ã«æéãæµãã¦ãããã·ã°ãã«ãåºãï¼çºç«ããï¼ã¨ããã®æã®åãåºããï¼å°ããºã¬ã¾ããï¼ Signal ããElement.show ããå¤ã§ããã¤ã¾ãSignalã®__ç¾å¨ã®__åã§ããããã«è¨ãæããã°ç»é¢ã«è¡¨ç¤ºããæï¼Viewé¢æ°ã«æã£ã¦ããæã®ã¿ã¤ãã³ã°
çãããããããElmããã¾ãããã Elmã£ã¦ä½ãªã®ï¼ Webãã©ã¦ã¶ã§åãFRP(Functional Reactive Programming)è¨èªã§ãã ã³ã³ãã¤ã«ããã¨HTMLãJavaScriptãåãåºãã¾ãã Elm å ¬å¼ãµã¤ãã«åããµã³ãã«ã大éã«ããã®ã§è¦ã¦ã¿ãã¨é¢ç½ãã§ãã ã©ããã¦ä»ããã®ï¼ ããã¾ã§Elmã¨è¨ãã°ãè¯ããæªããçæ³ã追æ±ããè¨èªã§ãä¸è¬çãªWebã®é¨å(HTML/CSS/JavaScript)ã¨ç¸æ§ãæªãããã¾ãã¡ãã£ã¨Canvas使ã£ã¦ããã¡ãã¢ããªã§ãä½ããã¼ãããããé¢ã®å±±ã ã£ãã®ã§ãããæè¿ã«ãªã£ã¦ãã®ç¶æ³ã¯ä¸å¤ãã¾ããã HTMLã©ã¤ãã©ãªã®ãµãã¼ã Ajaxãªã©éåæã¿ã¹ã¯ã®ãµãã¼ã JavaScriptã¨APIãéãã¦ç¸äºæ¥ç¶å¯è½ ã¨ã³ã·ã¹ãã ã®ç»å ´ é åºã¯ã¡ãã£ã¨å¿ãã¾ãããã0.14ã¨ã0.15ã§è²ã åºæ¥ãããã«ãªãã¾ããã im
mainã®åãmain = view <~ modelã¨ãªãããã®modelãä½ãã®ã«model = foldp update initModel (subscribe appChannel)ã¨ãããµãã«ãå ¨ã¦ã®ã¦ã¼ã¶ã¼ã®ã¢ã¯ã·ã§ã³ãã¾ã¨ããChannelããããupdateå ã®caseå¼ã§ã¢ã¯ã·ã§ã³ãã¨ã®å¦çãæ¸ããã¿ãããªæãã«æ¸ãã¹ã¿ã¤ã«ã Elm使ã£ã¦ãã¨ã ããããããªãã ãã®å½¢ã¯Channelã¨Messageãã¤ãã³ãã¨ãã³ãã©ã«å½ãããããã使ã£ã¦Viewã¨Modelãéä¿¡ããã®ã§MVCã¨è¨ãããããã«Elmã ã¨ãGUIç¨ã®FRPãªã®ã§ãfoldpã¨updateé¢æ°ãç¾ããã®ã§ãMVU(Model View Update)ãªãã¦å¼ãã ãããã å ¬å¼ã®TODOã¢ããªã§ããElm-tomvcã§ãç¾å¨ãã®ã¹ã¿ã¤ã«ã§æ¸ããã¦ããã ã¾ãæ©è½ãä»ããåã®ã³ã¼ãã®MVUãçºãã¦ã¿ãã m
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ããªã¢ã¯ãã£ãããã°ã©ãã³ã°ã®æè¡ãç¨ãã¦ãã¦ã¹ã¹ãã¼ã«ã¼ãå®è£ ãã - ã¯ãã¹ããã° â¨ãã¨ããè¨äºããããèå³æ·±ãã®ã§Elmã®ãªã¢ã¯ãã£ãããã°ã©ãã³ã°ã§ä¼¼ããããªãã¨ããã£ã¦ã¿ã¾ããã å ¨ç»é¢è¡¨ç¤ºã¯ãã¡ãããã ã³ã¼ãã¯ä»¥ä¸ã§ãããã¸ã§ã¯ãå ¨ä½ã¯ãã¡ãã«ããã¾ãã import Text import Window import Time import Mouse import List import Signal import Graphics.Element(..) import Graphics.Collage(..) import Color(..) import Signal(Signal,(<~),(~)) import AnimationFrame -- ãã¦ã¹ã®åº§æ¨ãCollageã®åº§æ¨ã«å¤æãããã¤ãã®é¢æ° mousePos : Int -> Int -> Int
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elmã§ãã£ã¦ã¿ãã·ãªã¼ãº3: xeyesã£ã½ãç®ãåãã import Mouse -- ç®ã®è¼ªéãæ¸ã eyeframe x y = move (x,y) <| outlined { defaultLine | width <- 5 } <| oval 40 50 -- ç®çãæ¸ã eyeball x y = move (x,y) <| filled black <| circle 5 -- ç®(=ç®ç+ç®ã®è¼ªé)ãä¸ååæ¸ããtã¯ç®çã®è¦ã¦ããæ¹åã eye r x y t = [eyeframe x y, eyeball ((r * (cos t))+x) ((r * (sin t))+y)] -- ç®ã2ã¤æ¸ã eyes t = collage 200 200 <| (eye 15 -20 0 t)++(eye 15 20 0 t) -- ãç®ã®åº§æ¨ä½ç½®ãè¨ç®ãã(=ããã¦ã¹åº§æ¨
Elm.Main.make = function (_elm) { "use strict"; _elm.Main = _elm.Main || {}; if (_elm.Main.values) return _elm.Main.values; var _op = {}, _N = Elm.Native, _U = _N.Utils.make(_elm), _L = _N.List.make(_elm), _A = _N.Array.make(_elm), _E = _N.Error.make(_elm), $moduleName = "Main", $Graphics$Element = Elm.Graphics.Element.make(_elm), $Random = Elm.Random.make(_elm), $Signal = Elm.Signal.make(_elm), $
ãã®è¨äºã¯ãElm Advent Calendar 2014ãã®23æ¥ç®ã¨ãã¦æ¸ãã¾ããã ä»åã¯ãä½æããElmã®ã©ã¤ãã©ãªãElmã³ãã¥ããã£ã©ã¤ãã©ãªã«å ¬éãã¦ã¿ã¾ããå ¬éããããã¯ä»¥åãã£ããã¨ä½æãã¦ãã§ã«ç»é²ãã¦ãããIntRangeãã¨ãããã®ã§ããããããã®ãããããã¾ãã*1ãä»åElm 0.14ã«å¯¾å¿ãããä¸ã§ãelm-packageã³ãã³ãã®ç»é²æé ãæ´çãã¦ã¿ã¾ãã ããã¸ã§ã¯ããä½ã ä½ã¯ã¨ããããå ¬éãããããã¸ã§ã¯ããä½ãã¾ãã ãã£ã¬ã¯ããªãä½ã£ã¦ããã«cdãã¦elm-packageãå®è¡ã $ mkdir IntRange $ cd IntRange $ elm-package install Some new packages are needed. Here is the upgrade plan. Install: elm-lang/core 1.0
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